Associate Frontend Developer

Frontend Engineer

React, TypeScript & Production Web Applications

📍 Mumbai (On-site) | Full-time | 3-5 years

About the Role:

Unico Connect is an AI-first technology partner that builds custom mobile, web, and AI products for clients across multiple geographies.

We are hiring a Frontend Engineer who will build production-grade web applications across customer engagements, partnering closely with designers, backend engineers, and AI engineers.

The mandatory requirement for this role is hands-on production experience shipping React applications, with ownership of at least one feature area end to end including state, API integration, and testing.

The role is hands-on.

Expect to implement complex flows, integrate with backend and AI services, contribute to a shared design system, write tests, and review the work of others.

A typical week includes a design handoff review, implementation of a new flow, a code review session, and a working call with a backend engineer on API contracts.

Responsibilities:

Production UI Development

Build production-grade React UI for customer engagements, including complex forms, dashboards, data-dense views, and AI-driven interactions.

API Integration

Integrate with REST and GraphQL APIs.

Handle authentication, streaming responses (Server-Sent Events, WebSockets), retries, and graceful error states.

State Management

Build state architecture using Redux, Zustand, Jotai, or equivalent.

Handle async state, optimistic updates, and cross-component coordination.

Design System Contribution

Implement components within an established design system.

Maintain token discipline and contribute back to shared components.

Testing

Write unit, integration, and end-to-end tests using Jest, React Testing Library, and Playwright or Cypress.

Performance and Accessibility

Profile and optimise rendering and bundle size.

Apply WCAG 2.1 AA practices in everyday work.

AI-Assisted Development

Use Claude, Cursor, and similar tools day to day.

Build discipline for reviewing and validating AI-generated code.

Requirements:

Hands-on Production React Experience (Mandatory)

Must have personally shipped at least one feature area end to end in a production React application, owning state, API integration, and testing.

POCs and internal tools alone do not qualify.

3 to 5 Years of Professional Frontend Engineering Experience

Strong JavaScript, TypeScript, and React

Solid with hooks, context, and modern patterns.

Working comfort with Next.js (SSR, SSG, app router).

State Management

Production experience with Redux, Zustand, Jotai, or equivalent.

CSS and Styling

Strong with Tailwind, CSS Modules, or CSS-in-JS.

Comfortable building responsive layouts.

REST and GraphQL

Comfortable consuming both.

Working knowledge of streaming responses and async patterns.

Testing Fluency

Jest, React Testing Library, and at least one of Playwright or Cypress.

Git and CI/CD Basics

Comfortable with feature branching, pull requests, and CI-integrated test runs.

Strong Written and Spoken English Communication

Nice to Have:

• Experience with editor or canvas UIs
• Storybook
• Animation libraries (Framer Motion, GSAP)
• Exposure to AI-driven UI patterns
• Visual regression testing tools

Role: UI Developer (ReactJs Developer)

Experience: 1.5 - 2.5 Years
Qualification: BE (IT/ Computer), B.Tech., M.Tech., MCA.

Primary Skills (Must Have):

·      1.5 - 2.5 years of experience in web UI development 

·      Hands-on experience in developing responsive design using ReactJs,HTML 5 + CSS3, jQuery

·      Bootstrap 3 and other JavaScript Frameworks 

·      Worked on SCSS and LESS 

·      Worked on UI integration, collaborate with the design team to define the UI architecture, using Web design best practices 

·      Knowledge of Material design framework Good communication and interpersonal skills 

Additional skills/good to have:

·      Hands-on experience in developing a web-based solution using the latest technologies covering React.Js Angular, Angularjs, jQuery, JavaScript, HTML5 technology (CSS3, Compass, etc.), object-oriented javascript and MVC js frameworks like Extjs/angular/backbone

·      Bootstrap 4 WCAG standards (AAA) W3C validator BEM standards Table structure (Mailer) 

·      Ability to work independently, good communication skills have experience in working on complex and medium to large projects.

·      Good understanding of SDLC and flair to follow the processes. 

·      An understanding of the fundamentals in object-oriented development, UML and Design Patterns

·      Experience building complex web apps that have been successfully delivered to customers 

·      Exceptional analytical abilities, creativity, and attention to detail 

·      Good team player who is a self-starter and well organized

·      Good expertise, good in technical analysis/debugging problems/issues, 

·      Experience in designing and architecting medium to complex systems, well versed with design standards &   framework

·      Experience in working on multiple technologies and complex projects 

·      Knowledge in Design Patterns. 

·      Mobile development experience would be an added advantage.

·      Functional and Technical Specs documentation

Key Skills/ Knowledge:

• Experience with React or any JS frontend frameworks
• Experience with, HTML5, CSS3 and CSS pre-processor like SASS or LESS.
• Proficient in JavaScript, including DOM manipulation
• Understanding of React and its core principles
• Experience with React workflows (such as Redux)
• Familiarity with the newer specification of JavaScript (ES6 or newer)
• Experience working with JSON
• Experience building accessibility compliant web applications
• Familiarity with code versioning tools (git)
• Familiarity with browser testing and debugging
• Familiarity with unit testing
• Experience working in an Agile environment
• Ability to understand business requirements and translate them into technical requirements

We are looking for a good JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.

Responsibilities

• Developing new user-facing features using React.js
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high-quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers

Skills:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (Redux)
• Familiarity with newer specifications of ECMAScript
• Experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

Work Profile:

• Delivering a complete front end application in Agular
• Ensuring high performance on mobile and browser with reusable and modular components spanning cross multiple projects
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Integrate with the back-end developer in the process of building the RESTful API
• Communicating with external web services for 3rd Party tools and services integration
• Requirement  
• 2+ years of experience and proficiency with Angular, JavaScript and HTML5
• Deep knowledge of Angular practices and commonly used modules based on extensive work experience
• Creating self-contained, reusable, and testable modules and components
• Ability to provide SEO solutions and optimization
• Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed
• Creating custom, general use modules and components which extend the elements and modules of core Angular

Mentor To Go is an android and web based platform to help students improve their work readiness through self-learning sessions, personalised mentorship provided by mentor professionals from a range of careers, and work experience opportunities.

The technology platform implements  functionalities such as: screening surveys of mentors and mentees, training content for mentors, matching through an algorithm, and mentorship through the delivery of structured activities. 

The application technology architecture comprises of the following:

o   a Python Django web application with NGinx and Gunicorn

o   PostgreSQL database

o   A React Android and Web app

o   Rest APIs which interact between the Android app and the Django webserver

Our vision at Mentor To Go is to provide career mentorship to young people anywhere, anytime across the length and breadth of India.

We are looking for a frontend software developer who is passionate about using web technologies to solve social problems and creating experiences that are elegant and effective.    You will own the front end development of features  of the Mentor To Go web and mobile platforms, from conceptualisation through design and testing. You will work closely with other developers,the technical project manager, and the program operations team. You are user-centric, continuously demonstrate strategic & analytical abilities, and are laser focused on executing at speed. You must have the ability to succeed in a fast paced environment, where success is dependent on your ability to collaborate with cross-functional team members  in a positive, productive, and transparent way.

Minimum requirements

• Bachelor’s degree in engineering preferably  CS  or related discipline
• 3+ years experience with the development of applications for Android, iOS and  web preferably using React Native/ReactJS

• Experience working in Unix/Linux environments
• Experience with a complete mobile software development life cycle
• Strong written and oral communication skills
• Familiarity with version control software such as Git

Desired  requirements

• Strong written and oral communication skills
• Ability to participate in technical discussions and help make technical trade-offs

About Mentor Together

https://mentortogether.org/">Mentor Together is India’s first and largest youth mentoring  non-profit organization with a mission to facilitate empowering mentoring relationships and networks that help young people break the inequalities of opportunity and actualise their potential.

http://bit.ly/mentortogo">Mentor To Go is the world’s first mobile mentoring platform created by Mentor Together with the support of Cisco India, LinkedIn Social Impact, British Telecom and Sterlite Technologies.